Ing. Cristian Obersterescu
Selbstständig, Network Engineer, SBB CFF FFS
Zurich, Schweiz
Über mich
I'm not very active here, please contact me on LinkedIN Nich sehr aktiv hier, bitte LinkedIN benutzen https://www.linkedin.com/in/cristian-obersterescu-b29478122/
Werdegang
Berufserfahrung von Cristian Obersterescu
• Software upgrade, swap, integration and configuration of core packet nodes and other routers. • Integration and verification of new transmission patches (optical fiber) • Conduction of impact/outage analysis on the live network prior to implementation work. • Conduction of troubleshooting measurements during the technical work, when needed. • Maintenance of all corresponding project technical reporting and documentation.
8 Monate, Mai 2019 - Dez. 2019
Advanced Troubleshooting & Business Support
Telefónica Deutschland Gruppe- Cisco, Juniper and OneAccess network components - Good knowledge of MPLS, VPLS and other transport technologies - Good knowledge of dynamic routing protocols (eg OSPF, BGP) - working with various access technologies (DSL, FTTx) and transmission technologies (ETH) - Knowledge in QoS, VoIP, security, especially IPSec - Basic knowledge of network services (eg radius, DNS)
1 Jahr, Mai 2018 - Apr. 2019
IP/TRM Engineer
Telefónica Deutschland Gruppe
1 Jahr, Juni 2017 - Mai 2018
Radio Network Perfromance Engineer
Nokia
- RAN KPI Expert - Advanced knowledge of mobile communication networks (2G, 3G , 4G & SRAN) - Good knowledge on network performance evaluation like - Quality of Service and Experience (QoS and QoE) Product Validation & KPI Monitoring - NetAct 17 / Linux / Wireshark
1 Jahr, Juli 2016 - Juni 2017
Network Technician
Nokia
- Advanced knowledge in Fixed Network - Access (also understanding Core & Transport ) - Network monitoring, troubleshooting and maintenance on Vendor equipment within SLA - Working with different Vendor Equipment & Creating Work Instructions - Linux
Ausbildung von Cristian Obersterescu
3 Jahre und 9 Monate, Sep. 2013 - Mai 2017
Electronics and Communication Engineering
Polytechnic University of Timişoara
Electronics & Telecommunications
Sprachen
Deutsch
Fließend
Englisch
Muttersprache
Rumänisch
Muttersprache
Französisch
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